Glossary Terms beginning with U

U

Ultraviolet Light Absorber

Ingredients that protect cosmetic products or packaging from deterioration by absorbing, reflecting, or scattering UV rays. These ingredients may also be used to protect the hair from UV rays. See also UV Filters.

Unsaponifiables

The fraction of an oil that is not saponified in the refining recovery of the oil?s fatty acids.

UV Filter

UV filters are ingredients that filter certain UV rays that are found in sunlight and, to a lesser degree, artificial light. UV filter is a general term that is used for sunscreen agents, ingredients used to protect the skin from UV rays, and ultraviolet light absorbers, ingredients use to protect products, packaging and hair from UV rays.